<template>
  <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
    <el-form-item label="部门名称" prop="name">
      <el-input v-model="form.name" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门编码" prop="code">
      <el-input v-model="form.code" style="width:80%" placeholder="1-50个字符" />
    </el-form-item>
    <el-form-item label="部门负责人" prop="manager">
      <el-select v-model="form.manager" style="width:80%" placeholder="请选择">
        <el-option
          v-for="item in EmployessList"
          :key="item.id"
          :value="item.username"
          :label="item.username"
        />
      </el-select>
    </el-form-item>
    <el-form-item label="部门介绍" prop="introduce">
      <el-input v-model="form.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
      <el-button size="small" @click="$emit('close')">取消</el-button>
    </el-form-item>
  </el-form>
</template>

<script>
import { getEmployeeSimple } from '@/api/employess'
import { addDepartments, getDepartmentsDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    origin: {
      type: Array,
      required: true
    }
  },
  data() {
    const validCode = (rules, value, callback) => {
      console.log(value, 'value')
      console.log(this.originList, 'this.originList')
      let existCodeList = this.originList.map(item => item.code)
      if (this.isEdit) {
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      console.log(existCodeList)
      if (existCodeList.includes(value)) {
        callback(new Error(`部门编码：${value}已存在`))
      } else {
        callback()// 放行
      }
    }
    const validName = (rule, value, callback) => {
      let existNameList = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      if (this.isEdit) {
        const curDepartment = this.originList.find(item => item.id === this.id)
        const pid = curDepartment.pid
        const brothers = this.originList.filter(item => item.pid === pid)
        existNameList = brothers.filter(item => item.id !== this.id).map(item => item.name)
      }
      console.log(existNameList)
      if (existNameList.includes(value)) {
        callback(new Error(`部门编码：${value}已存在`))
      } else {
        callback()// 放行
      }
    }
    return {
      form: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      EmployessList: [],
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: validName, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: validCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      }
    }
  },
  // watch: {
  //   'id': function(newVal, oldVal) {
  //     console.log(newVal, oldVal)
  //     console.log(this, 'this')
  //     this.loadDepartmentDetail()
  //   }
  //   'id': {
  //     handler: function(newVal, oldVal) {
  //       console.log(this, 'this')
  //       this.loadDepartmentDetail()
  //     },
  //     deep: true,
  //     immediate: true// 组件一加载，就执行
  //   }
  // },
  created() {
    this.loadEmployessSimple()
    if (this.isEdit) {
      this.loadDepartmentDetail()
    }
  },
  methods: {
    resetForm() {
      // 重置表单的校验规则和数据
      this.$refs.deptRef.resetFields()
    },
    // 获取部门负责人数据
    async loadEmployessSimple() {
      try {
        const res = await getEmployeeSimple()
        // console.log(res, 'res')
        if (res.code === 10000) {
          this.EmployessList = res.data
        }
      } catch (error) {
        console.log(error)
      }
    },
    // 确定
    hSubmit() {
      // 兜底校验
      // 实现新增子部门
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 新增子部门
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        // console.log(res, 'add')
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 子传父 重新渲染数据关闭弹层
        this.$emit('success')
      } catch (error) {
        console.log(error)
      }
    },
    // 数据回显，获取当前部门的数据
    async loadDepartmentDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        // console.log(res, 'getDepartmentsDetail')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    }
  }
}
</script>
